Doom Builder 2 has now been modded with extended support for SRB2+(CB).
The major advantage of this new editor is its stability and support for better real time 3D editing (including Slopes!)

Changes from original Doom Builder 2:

You can change the Z height of objects

SRB2's FOFs can be edited in 3D mode WITH TRANSPARENCY IN 3D

Higher distance limit for the 3D editor(since many SRB2 maps can be quite large)

Support for SRB2CB's slopes (including new "Copy Slope by Linedef" effect)

A configuration file for SRB2CB has been included with this release, it should work with both default SRB2 and SRB2CB.

There's a ton of new features that come with the editor itself:

Organized lists of textures (So that when adding multiple textures, you can sort through them by file, also support for SRB2CB's TX_START is built right in!)

You don't have to finish drawing redundant lines when making sectors that share lines from other sectors - Just press enter when the lines you're drawing can make up a full sector(more description later)

Better support for external resources

Sort by sector darkness

Much more!

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Some features that SRB2 Doom Builder 1 had may be missing from this release, but for most purposes, this is a stable, usable release.

When you select multiple sectors in the 3D map editor, you can actually edit the height of multiple sectors at the same time!

So you can, for example, select multiple sectors that make up some stairs, and make them all of the selected sectors scroll up and down in the right proportion. This can seriously save a lot of time when making a map!

There's an undo/redo panel on the right side of the map editor, mouse over to get a detailed list of everything you changed in a map - all the way back to when the file was last opened!

You can copy-paste parts of other maps into each other just like before - And it even supports copy-pasting between different map formats (could be handy if something like UDMF comes around

Hold shift when drawing a line or move something to unsnap from the grid

You can customize the grid size and zoom level in the lower right hand corner of the map editor

You actually can do rotations and flipping like the old SRB2DB1, but this is actually MORE powerful:

Select any object or group of objects - a sector, a linedef, or a group of map objects, or any combination.

Press E - A box will appear around your selection allowing you to move or transform anything selected.

A new panel will appear on the right of the map editor window called "Edit Selection" - mouse over this panel to show options to rotate, and scale the selection - You have an option for both horizontal and vertical scaling as well now!

More pictures should be added to this topic or a wiki page should be made to make these descriptions clearer

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Happy Modding!

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This addon may not be copied, reproduced or published elsewhere without the author's permission.

the dotnetfx35 I already had but the slimdx crashed near the end saying "The installer has encountered a unexpected error installing this package. This may indicate a problem with this package. The error code is 2753." What do I do here?

I'm probably being extremely stupid, but I have a problem with the nodebuilder in Srb2DB2.0.
Every time I'm saving, the following message appears:
"Unable to build nodes: The nodebuilder failed to build the expected data structures. The map will be saved without the nodes."

When trying to test the level afterwards, it works, but has a frickin' lot of HOMs making it unplayable.

Does anybody have an idea how to fix this?

By the way:
Configuration is Srb2 2.1, Nodebuilder is Zen Node (Normal) and I have ZDoom's visual mode enabled.

Moving textures in GZDoom visual mode (vanilla visual mode won't even start for me- thoughts?) doesn't update the offsets, so no change is made after saving, closing and reloading the map. Only way to alter texture positions right now is to autoalign or manually enter offset values.

Doing all my texturing in GZDoom Builder now, still works there. EDIT: Except saving a map with that messes with the Z-height of every object on the map so a proper fix would be real nice

I would like to see a plugin for vanilla DB2 to make z-offsets work and whatnot.

This is a good idea and I hope one of our intrepid go-getters gives this a try. It would be pretty cool to have an officially sanctioned map editor that's not an unsupported dead-end branch of an old program for once.

ok I'm getting that stopped working bug again, and the new doombuilder 2 is missing the gzdoombuilder plugin. (it doesn't use it)

I know I had this program working before, I just don't remember what I did to get it working. And yes, I do have the dependancies.

I downloaded Srb2 Doom Builder "2", the first one kinda doesn't works properly.
I donwloaded the second file that Inuyasha posted, the Doom Builder 2 configuration, that one made it work good, if that is your problem, I'll check the other posts and update this comment if something is wrong.

Can you tell me what OS are you using? I use Windows 7 Professional 32-bit.
You should see if the program is compatible with the build you use.

I think it needs a runtime installation of a library I don't remember the name right now.
If that doesn't works, you can try running it on Administrator. Siply right-click the launcher and select Run as Administrator.
If that still doesn't works, then you should check if you didn't forget something important to make the program work.
If after all that it still doesn't works, then I don't know what your problem could be. Sorry.